Aliph Jawbone II Bluetooth Headset with NoiseAssassin (Black) [AT&T Carrier Packaging] Bluetooth headset in black with military-grade noise elimination technology and invisible touch controls Patented Voice Activity Sensor that feels your speech Magnetic USB cable and wall charger delivers 80 percent charge in 35 minutes (full charge in less than 1 hour) Over 4 hours of talk time and 8 days of standby time Constructed with ultra-smooth medical-grade plastic